Release to maven central after push to gerrit

Change-Id: I8e3b87fb2139f2ebcbbda644c921906c0ae58a87
diff --git a/tools/onos-yang-tools-build-release b/tools/onos-yang-tools-build-release
index 1feb92a..5e244e6 100755
--- a/tools/onos-yang-tools-build-release
+++ b/tools/onos-yang-tools-build-release
@@ -34,3 +34,5 @@
 git commit -am"Bumping version to $OYT_SNAPSHOT"
 git push origin $OYT_BRANCH
 git push origin $OYT_TAG
+
+mvn -Prelease nexus-staging:release